Cisco Packet Tracer - Download Cisco Packet Tracer, an innovative network simulation and visualization tool used by Cisco Networking Academy students and instructors.
Notepad3 - Notepad3 is a fast and light-weight Scintilla-based text editor with syntax highlighting.
GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.
TED Notepad - TED Notepad is a portable text editor software that deals with a large variety of text processing tools, supplemental text clipboards, high accessibility through hotkeys, and a customizable number of settings and options.
Paessler Multi Server Simulator - Paessler Multi Server Simulator is inexpensive and robust software that helps you power massive-scale testing.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.